Home / 525,182.64-787,608.72-170,114.28

Finding the Fourth Proportional to 525,182.64, 787,608.72 and 170,114.28

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Solution

The fourth proportional to 525,182.64, 787,608.72 and 170,114.28 is: 255,117.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,182.64 : 787,608.72 = 170,114.28 : x
  2. Step 2: Convert to fraction form
    525,182.64/787,608.72 = 170,114.28/x
  3. Step 3: Cross multiply
    525,182.64x = 787,608.72 × 170,114.28
  4. Step 4: Simplify right side
    525,182.64x = 133,983,490,324.52
  5. Step 5: Solve for x
    x = 133,983,490,324.52/525,182.64
  6. Step 6: Final answer
    x = 255,117.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.